7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c was the Tully Monster determined

was the Tully Monster determined to be an early vertebrate and likely a jawless fish on the stem lineage of modern-day lampreys

measuring from 3 - 3

with one of the other minerals commonly being azurite

adding to the interest and forming unusual specimens

having been first discovered in Malheur County

7-1/2" Petrified Swamp Bog (Gary Green) 22a52ec489a60c821ec4226747aefb1c was the Tully Monster determinedBetween 11 15 million years ago, during the Miocene time period, a volcano located near what is now called McDermitt, Oregon erupted, spewing ash and debris over a widespread area. That ash, contained a combination of iron, aluminium, potassium, sodium and calcium, which covered everything for miles around, including shallow wetlands. Cattails, fish, amphibians and all other life in those wetlands (bogs) were suffocated by the ash and immediately